blob: 2c9e2134b9c183b41721497e25149471ce2c58e0 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
* DNA Transcription
+ Occurs in the nucleus
+ RNA polymerase is the main enzyme
+ A single strand of DNA is used as a template
+ A single strand of mRNA, complementary to the DNA, is the product
+ mRNA = messenger RNA
Decoding the Genetic Code:
+ DNA >> RNA >> Protein
+ DNA & RNA both have 4 different types of nucleotides
+ Proteins are mode of amino acides. There are 20 different kinds of amino acides.
+ mRNA (the product of transcription) must be read 3 letters at a time in order to account for all
the amino acid possibilities
+ codon: sequence of three mRNA bases
+ start codon: AUG
+ stop codon:
+ ribosome - site of protein synthesis
+ tRNA - RNA that brings an amino acid to a ribosome (t = transfer)
+ anticodon - sequence of three tRNA bases that is complementary to a mRNA codon
|
